22097560 has 32 divisors (see below), whose sum is σ = 49899600. Its totient is φ = 8807040.

The previous prime is 22097539. The next prime is 22097561. The reversal of 22097560 is 6579022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22097561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12406 + ... + 14074.

Almost surely, 2^22097560 is an apocalyptic number.

22097560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22097560 is an abundant number, since it is smaller than the sum of its proper divisors (27802040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22097560 is a wasteful number, since it uses less digits than its factorization.

22097560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 22097560 is about 4700.8041865196. The cubic root of 22097560 is about 280.6175146771.

Subtracting from 22097560 its product of nonzero digits (7560), we obtain a square (22090000 = 4700²).

The spelling of 22097560 in words is "twenty-two million, ninety-seven thousand, five hundred sixty".